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Learning to Hypothesize

First-graders in Amy Kulhavik’s Unit I class learned how to incorporate the skill of hypothesis during a recent class in which they tried to determine the buoyancy of certain items. “The students loved discovering which items would sink or float!” said Kulhavik. “It’s a great hands-on science activity and really gets kids thinking and predicting.” Kulhavik said the Unit I students also expanded their discussion to work collaboratively to hypothesize, test, and reason why certain objects float, while others sink.